DrinkingWaterCheck

OREGON WATERWORKS: EPA violation history, explained

OREGON WATERWORKS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 11,200 people through 4,148 service connections.

Ranked against every other system in this dataset

Out of 12,903 systems in this dataset, OREGON WATERWORKS ranks 5,177th by violation burden (60th percentile) - 13 violations total, 3 health-baseds.

How OREGON WATERWORKS compares within WI

WI's 202 covered systems average 3.6 health-based violations each; OREGON WATERWORKS carries 3, not more than typical for the state. The clean-record guide covers what a comparison like this can hide.

Most recent violation on record

The last violation EPA has on record for OREGON WATERWORKS is from 2020-01-07 (health-based: 1994-01-09). Last reported to EPA: 05/29/2026.

What kind of problem, specifically

OREGON WATERWORKS's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:

The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.

What this data is and is not

Everything on this page is OREGON WATERWORKS's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 3 health-based violations on file for OREGON WATERWORKS - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.